select p.PF_CODE as 都道府県コード, 
        p.PF_NAME as 都道府県名,
        ROUND(100 * cast(h.INP_YES as REAL) / (h.INP_YES + h.INP_NO + h.UNIDENTIFIED), 1) as 入院率
from HOSPITALIZATION h
join PREFECTURE p on p.PF_CODE = h.PF_CODE
order by 入院率 DESC
;